The mystery of the James Webb Space Telescope's "little red dots" could be solved if they are not ancient galaxies but are entirely new celestial objects called "black hole stars." ...

A strange flash on Saturn earlier this summer caught the attention of astronomers and sparked speculation about a possible planetary impact. The sighting was first reported by amateur astronomer Mario ...

A team of Pennsylvania State University researchers has a unique take on mysterious red dots first observed by the James Webb Space Telescope.

At just 25, Cecilia Payne-Gaposchkin applied quantum physics to a treasure trove of astronomical observations to show that stars are mostly hydrogen and helium.